React Base Fiddle (JSX)

Starting point for creating JSFiddles with React. This uses React with Addons.

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.24/browser.js"></script>
<script src="https://npmcdn.com/react@latest/dist/react-with-addons.js"></script>
<script src="https://npmcdn.com/react-dom@latest/dist/react-dom.js"></script>
<script src="https://facebook.github.io/react/js/jsfiddle-integration-babel.js"></script>

<div id="container">
    <!-- This element's contents will be replaced with your component. -->
</div>

JavaScript 1.7

class App extends React.Component {
    constructor() {
        super();
        this.onClick = this.onClick.bind(this);
        this.state = {
        		arr: [{name: "first", isActive: true},{name: "second", isActive: true},{name: "third", isActive: true},{name: "fourth", isActive: true}]
        }
    }
    onClick(index){
    		let tmp = this.state.arr;
        tmp[index].isActive = !tmp[index].isActive;
        this.setState({arr: tmp});
    }
    render() {
        return (
            <div>
                {this.state.arr.map((el, index) => <div key={index} onClick={() => this.onClick(index)}>name: {el.name} / isActive: {el.isActive? "true": "false"}</div>)}
            </div>
        );
    }
}

ReactDOM.render(
  <App />,
  document.getElementById('container')
);